Hourly Weather in Helena West Side, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
12 mph
Breezy
12 mph
Breezy
11 mph
Breezy
11 mph
Breezy
8 mph
Light
8 mph
Light
8 mph
Light
8 mph
Light
8 mph
Light
Humidity
21%
Very dry
22%
Very dry
23%
Very dry
28%
Very dry
33%
Dry
37%
Dry
41%
Dry
42%
Dry
43%
Dry
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1004 hPa
Low
1003 hPa
Very low
1002 hPa
Very low
1002 hPa
Very low
1001 hPa
Very low
1000 hPa
Very low
1000 hPa
Very low
1000 hPa
Very low
1000 hPa
Very low
Clouds
99%
100%
100%
100%
100%
98%
95%
100%
100%
Dew point
21°
21°
21°
23°
24°
24°
24°
25°
25°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
50
Moderate
50
Moderate
47
Good
43
Good
39
Good
36
Good
32
Good
30
Good
29
Good
Pollen index
Tree
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
2 / 5
1 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
0.06 μg/ft3
0.07 μg/ft3
0.08 μg/ft3
0.09 μg/ft3
0.10 μg/ft3
0.11 μg/ft3
0.11 μg/ft3
0.11 μg/ft3
0.11 μg/ft3
PM25
0.04 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
0.06 μg/ft3
0.07 μg/ft3
0.07 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
NO2
0.38 ppb
1.07 ppb
1.77 ppb
2.47 ppb
3.04 ppb
3.61 ppb
4.18 ppb
4.01 ppb
3.85 ppb
SO2
0.04 ppb
0.05 ppb
0.06 ppb
0.08 ppb
0.1 ppb
0.12 ppb
0.14 ppb
0.13 ppb
0.13 ppb
CO
0.12 ppb
0.12 ppb
0.13 ppb
0.14 ppb
0.15 ppb
0.16 ppb
0.16 ppb
0.16 ppb
0.16 ppb
O3
54.83 ppb
49.58 ppb
44.32 ppb
39.07 ppb
36.38 ppb
33.7 ppb
31.01 ppb
30.44 ppb
29.86 ppb